Door panel



FIG. 1 is a perspective view of a door panel showing my new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a top plan view thereof; and

FIG. 4 is a cross-sectional view taken on the line 4--4 of FIG. 1.

The side not shown is planar. 

The ornamental design for door panel, as shown and described. 